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1 <?php
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2
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3 namespace Drupal\system\Plugin\Block;
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4
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5 use Drupal\Core\Block\BlockBase;
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6 use Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface;
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7 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
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8 use Drupal\Core\Routing\RouteMatchInterface;
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9 use Symfony\Component\DependencyInjection\ContainerInterface;
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10
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11 /**
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12 * Provides a block to display the breadcrumbs.
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13 *
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14 * @Block(
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15 * id = "system_breadcrumb_block",
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16 * admin_label = @Translation("Breadcrumbs")
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17 * )
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18 */
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19 class SystemBreadcrumbBlock extends BlockBase implements ContainerFactoryPluginInterface {
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20
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21 /**
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22 * The breadcrumb manager.
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23 *
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24 * @var \Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface
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25 */
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26 protected $breadcrumbManager;
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27
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28 /**
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29 * The current route match.
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30 *
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31 * @var \Drupal\Core\Routing\RouteMatchInterface
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32 */
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33 protected $routeMatch;
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34
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35 /**
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36 * Constructs a new SystemBreadcrumbBlock object.
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37 *
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38 * @param array $configuration
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39 * A configuration array containing information about the plugin instance.
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40 * @param string $plugin_id
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41 * The plugin_id for the plugin instance.
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42 * @param mixed $plugin_definition
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43 * The plugin implementation definition.
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44 * @param \Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface $breadcrumb_manager
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45 * The breadcrumb manager.
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46 * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
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47 * The current route match.
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48 */
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49 public function __construct(array $configuration, $plugin_id, $plugin_definition, BreadcrumbBuilderInterface $breadcrumb_manager, RouteMatchInterface $route_match) {
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50 parent::__construct($configuration, $plugin_id, $plugin_definition);
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51 $this->breadcrumbManager = $breadcrumb_manager;
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52 $this->routeMatch = $route_match;
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53 }
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54
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55 /**
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56 * {@inheritdoc}
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57 */
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58 public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
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59 return new static(
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60 $configuration,
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61 $plugin_id,
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62 $plugin_definition,
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63 $container->get('breadcrumb'),
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64 $container->get('current_route_match')
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65 );
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66 }
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67
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68 /**
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69 * {@inheritdoc}
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70 */
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71 public function build() {
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72 return $this->breadcrumbManager->build($this->routeMatch)->toRenderable();
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73 }
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74
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75 }
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